Nautical apparatus and instruments, namely, underwater cameras, marine compasses, and barometers; sensors used in oceanography, namely, pressure sensors, timing sensors, and proximity sensors; electronic traffic control apparatus, namely, traffic lights, actuated and pretimed traffic signal controllers, and reflectors for traffic signals; electric control panels; photovoltaic apparatus and installations for generating solar electricity; USB cables; electronic closed circuit television system controllers; GPS navigation device; single-channel radio communication apparatus for fixed stations; digital telecommunications apparatus, namely, wireless receivers, wireless transmitters, and tablet computers; wireless communication transmission apparatus; software for running GPS navigation systems; downloadable software for running GPS navigation systems, detecting and measuring water quality, and monitoring and controlling communication between computers and automated machine systems; downloadable smart phone application for running GPS navigation systems, detecting and measuring water quality, and monitoring and controlling communication between computers and automated machine systems; data collecting apparatus for ships; electronic publications, namely, books and manuals in the field of oceanography and navigation recorded on computer media; apparatus for recording, transmission, processing and reproduction of sound, images or data